Home / 21,340.34-32,080.61-19,798.97

Finding the Fourth Proportional to 21,340.34, 32,080.61 and 19,798.97

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Solution

The fourth proportional to 21,340.34, 32,080.61 and 19,798.97 is: 29,763.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,340.34 : 32,080.61 = 19,798.97 : x
  2. Step 2: Convert to fraction form
    21,340.34/32,080.61 = 19,798.97/x
  3. Step 3: Cross multiply
    21,340.34x = 32,080.61 × 19,798.97
  4. Step 4: Simplify right side
    21,340.34x = 635,162,924.07
  5. Step 5: Solve for x
    x = 635,162,924.07/21,340.34
  6. Step 6: Final answer
    x = 29,763.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.